基本解释[物理學]自動後備源英汉例句雙語例句The new system consisted with circuit breaker, distribution line non-communication protection(DNCP) and Backup Source Automatic Control Unit.在無分支配電線路無通道保護的基礎上提出了有分支配電線路無通道保護。automatic backup source更多例句专业释义物理學自動後備源